--- /dev/null
+/*
+ * MMX optimized motion estimation
+ * Copyright (c) 2001 Fabrice Bellard.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * mostly by Michael Niedermayer <michaelni@gmx.at>
+ */
+#include "../dsputil.h"
+
+static const __attribute__ ((aligned(8))) uint64_t round_tab[3]={
+0x0000000000000000,
+0x0001000100010001,
+0x0002000200020002,
+};
+
+static __attribute__ ((aligned(8), unused)) uint64_t bone= 0x0101010101010101LL;
+
+static inline void sad8_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
+{
+ int len= -(stride<<h);
+ asm volatile(
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq (%2, %%eax), %%mm2 \n\t"
+ "movq (%2, %%eax), %%mm4 \n\t"
+ "addl %3, %%eax \n\t"
+ "psubusb %%mm0, %%mm2 \n\t"
+ "psubusb %%mm4, %%mm0 \n\t"
+ "movq (%1, %%eax), %%mm1 \n\t"
+ "movq (%2, %%eax), %%mm3 \n\t"
+ "movq (%2, %%eax), %%mm5 \n\t"
+ "psubusb %%mm1, %%mm3 \n\t"
+ "psubusb %%mm5, %%mm1 \n\t"
+ "por %%mm2, %%mm0 \n\t"
+ "por %%mm1, %%mm3 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm3, %%mm2 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "punpcklbw %%mm7, %%mm3 \n\t"
+ "punpckhbw %%mm7, %%mm2 \n\t"
+ "paddw %%mm1, %%mm0 \n\t"
+ "paddw %%mm3, %%mm2 \n\t"
+ "paddw %%mm2, %%mm0 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "addl %3, %%eax \n\t"
+ " js 1b \n\t"
+ : "+a" (len)
+ : "r" (blk1 - len), "r" (blk2 - len), "r" (stride)
+ );
+}
+
+static inline void sad8_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
+{
+ int len= -(stride<<h);
+ asm volatile(
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq (%2, %%eax), %%mm2 \n\t"
+ "psadbw %%mm2, %%mm0 \n\t"
+ "addl %3, %%eax \n\t"
+ "movq (%1, %%eax), %%mm1 \n\t"
+ "movq (%2, %%eax), %%mm3 \n\t"
+ "psadbw %%mm1, %%mm3 \n\t"
+ "paddw %%mm3, %%mm0 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "addl %3, %%eax \n\t"
+ " js 1b \n\t"
+ : "+a" (len)
+ : "r" (blk1 - len), "r" (blk2 - len), "r" (stride)
+ );
+}
+
+static inline void sad8_2_mmx2(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
+{
+ int len= -(stride<<h);
+ asm volatile(
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq (%2, %%eax), %%mm2 \n\t"
+ "pavgb %%mm2, %%mm0 \n\t"
+ "movq (%3, %%eax), %%mm2 \n\t"
+ "psadbw %%mm2, %%mm0 \n\t"
+ "addl %4, %%eax \n\t"
+ "movq (%1, %%eax), %%mm1 \n\t"
+ "movq (%2, %%eax), %%mm3 \n\t"
+ "pavgb %%mm1, %%mm3 \n\t"
+ "movq (%3, %%eax), %%mm1 \n\t"
+ "psadbw %%mm1, %%mm3 \n\t"
+ "paddw %%mm3, %%mm0 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "addl %4, %%eax \n\t"
+ " js 1b \n\t"
+ : "+a" (len)
+ : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" (stride)
+ );
+}
+
+static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
+{ //FIXME reuse src
+ int len= -(stride<<h);
+ asm volatile(
+ ".balign 16 \n\t"
+ "movq "MANGLE(bone)", %%mm5 \n\t"
+ "1: \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq (%2, %%eax), %%mm2 \n\t"
+ "movq 1(%1, %%eax), %%mm1 \n\t"
+ "movq 1(%2, %%eax), %%mm3 \n\t"
+ "pavgb %%mm2, %%mm0 \n\t"
+ "pavgb %%mm1, %%mm3 \n\t"
+ "psubusb %%mm5, %%mm3 \n\t"
+ "pavgb %%mm3, %%mm0 \n\t"
+ "movq (%3, %%eax), %%mm2 \n\t"
+ "psadbw %%mm2, %%mm0 \n\t"
+ "addl %4, %%eax \n\t"
+ "movq (%1, %%eax), %%mm1 \n\t"
+ "movq (%2, %%eax), %%mm3 \n\t"
+ "movq 1(%1, %%eax), %%mm2 \n\t"
+ "movq 1(%2, %%eax), %%mm4 \n\t"
+ "pavgb %%mm3, %%mm1 \n\t"
+ "pavgb %%mm4, %%mm2 \n\t"
+ "psubusb %%mm5, %%mm2 \n\t"
+ "pavgb %%mm1, %%mm2 \n\t"
+ "movq (%3, %%eax), %%mm1 \n\t"
+ "psadbw %%mm1, %%mm2 \n\t"
+ "paddw %%mm2, %%mm0 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "addl %4, %%eax \n\t"
+ " js 1b \n\t"
+ : "+a" (len)
+ : "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), "r" (stride)
+ );
+}
+
+static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
+{
+ int len= -(stride<<h);
+ asm volatile(
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq (%2, %%eax), %%mm1 \n\t"
+ "movq (%1, %%eax), %%mm2 \n\t"
+ "movq (%2, %%eax), %%mm3 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm1 \n\t"
+ "punpckhbw %%mm7, %%mm2 \n\t"
+ "punpckhbw %%mm7, %%mm3 \n\t"
+ "paddw %%mm0, %%mm1 \n\t"
+ "paddw %%mm2, %%mm3 \n\t"
+ "movq (%3, %%eax), %%mm4 \n\t"
+ "movq (%3, %%eax), %%mm2 \n\t"
+ "paddw %%mm5, %%mm1 \n\t"
+ "paddw %%mm5, %%mm3 \n\t"
+ "psrlw $1, %%mm1 \n\t"
+ "psrlw $1, %%mm3 \n\t"
+ "packuswb %%mm3, %%mm1 \n\t"
+ "psubusb %%mm1, %%mm4 \n\t"
+ "psubusb %%mm2, %%mm1 \n\t"
+ "por %%mm4, %%mm1 \n\t"
+ "movq %%mm1, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "paddw %%mm1, %%mm0 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "addl %4, %%eax \n\t"
+ " js 1b \n\t"
+ : "+a" (len)
+ : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" (stride)
+ );
+}
+
+static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
+{
+ int len= -(stride<<h);
+ asm volatile(
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq (%2, %%eax), %%mm1 \n\t"
+ "movq %%mm0, %%mm4 \n\t"
+ "movq %%mm1, %%mm2 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm1 \n\t"
+ "punpckhbw %%mm7, %%mm4 \n\t"
+ "punpckhbw %%mm7, %%mm2 \n\t"
+ "paddw %%mm1, %%mm0 \n\t"
+ "paddw %%mm2, %%mm4 \n\t"
+ "movq 1(%1, %%eax), %%mm2 \n\t"
+ "movq 1(%2, %%eax), %%mm3 \n\t"
+ "movq %%mm2, %%mm1 \n\t"
+ "punpcklbw %%mm7, %%mm2 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "paddw %%mm0, %%mm2 \n\t"
+ "paddw %%mm4, %%mm1 \n\t"
+ "movq %%mm3, %%mm4 \n\t"
+ "punpcklbw %%mm7, %%mm3 \n\t"
+ "punpckhbw %%mm7, %%mm4 \n\t"
+ "paddw %%mm3, %%mm2 \n\t"
+ "paddw %%mm4, %%mm1 \n\t"
+ "movq (%3, %%eax), %%mm3 \n\t"
+ "movq (%3, %%eax), %%mm4 \n\t"
+ "paddw %%mm5, %%mm2 \n\t"
+ "paddw %%mm5, %%mm1 \n\t"
+ "psrlw $2, %%mm2 \n\t"
+ "psrlw $2, %%mm1 \n\t"
+ "packuswb %%mm1, %%mm2 \n\t"
+ "psubusb %%mm2, %%mm3 \n\t"
+ "psubusb %%mm4, %%mm2 \n\t"
+ "por %%mm3, %%mm2 \n\t"
+ "movq %%mm2, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpckhbw %%mm7, %%mm2 \n\t"
+ "paddw %%mm2, %%mm0 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "addl %4, %%eax \n\t"
+ " js 1b \n\t"
+ : "+a" (len)
+ : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" (stride)
+ );
+}
+
+static inline int sum_mmx(void)
+{
+ int ret;
+ asm volatile(
+ "movq %%mm6, %%mm0 \n\t"
+ "psrlq $32, %%mm6 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "movq %%mm6, %%mm0 \n\t"
+ "psrlq $16, %%mm6 \n\t"
+ "paddw %%mm0, %%mm6 \n\t"
+ "movd %%mm6, %0 \n\t"
+ : "=r" (ret)
+ );
+ return ret&0xFFFF;
+}
+
+static inline int sum_mmx2(void)
+{
+ int ret;
+ asm volatile(
+ "movd %%mm6, %0 \n\t"
+ : "=r" (ret)
+ );
+ return ret;
+}
+
+
+#define PIX_SAD(suf)\
+static int pix_abs8x8_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t":);\
+\
+ sad8_ ## suf(blk1, blk2, stride, 3);\
+\
+ return sum_ ## suf();\
+}\
+static int sad8x8_ ## suf(void *s, uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t":);\
+\
+ sad8_ ## suf(blk1, blk2, stride, 3);\
+\
+ return sum_ ## suf();\
+}\
+\
+static int pix_abs8x8_x2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t"\
+ "movq %0, %%mm5 \n\t"\
+ :: "m"(round_tab[1]) \
+ );\
+\
+ sad8_2_ ## suf(blk1, blk1+1, blk2, stride, 3);\
+\
+ return sum_ ## suf();\
+}\
+\
+static int pix_abs8x8_y2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t"\
+ "movq %0, %%mm5 \n\t"\
+ :: "m"(round_tab[1]) \
+ );\
+\
+ sad8_2_ ## suf(blk1, blk1+stride, blk2, stride, 3);\
+\
+ return sum_ ## suf();\
+}\
+\
+static int pix_abs8x8_xy2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t"\
+ "movq %0, %%mm5 \n\t"\
+ :: "m"(round_tab[2]) \
+ );\
+\
+ sad8_4_ ## suf(blk1, blk2, stride, 3);\
+\
+ return sum_ ## suf();\
+}\
+\
+static int pix_abs16x16_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t":);\
+\
+ sad8_ ## suf(blk1 , blk2 , stride, 4);\
+ sad8_ ## suf(blk1+8, blk2+8, stride, 4);\
+\
+ return sum_ ## suf();\
+}\
+static int sad16x16_ ## suf(void *s, uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t":);\
+\
+ sad8_ ## suf(blk1 , blk2 , stride, 4);\
+ sad8_ ## suf(blk1+8, blk2+8, stride, 4);\
+\
+ return sum_ ## suf();\
+}\
+static int pix_abs16x16_x2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t"\
+ "movq %0, %%mm5 \n\t"\
+ :: "m"(round_tab[1]) \
+ );\
+\
+ sad8_2_ ## suf(blk1 , blk1+1, blk2 , stride, 4);\
+ sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, 4);\
+\
+ return sum_ ## suf();\
+}\
+static int pix_abs16x16_y2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t"\
+ "movq %0, %%mm5 \n\t"\
+ :: "m"(round_tab[1]) \
+ );\
+\
+ sad8_2_ ## suf(blk1 , blk1+stride, blk2 , stride, 4);\
+ sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, 4);\
+\
+ return sum_ ## suf();\
+}\
+static int pix_abs16x16_xy2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\
+{\
+ asm volatile("pxor %%mm7, %%mm7 \n\t"\
+ "pxor %%mm6, %%mm6 \n\t"\
+ "movq %0, %%mm5 \n\t"\
+ :: "m"(round_tab[2]) \
+ );\
+\
+ sad8_4_ ## suf(blk1 , blk2 , stride, 4);\
+ sad8_4_ ## suf(blk1+8, blk2+8, stride, 4);\
+\
+ return sum_ ## suf();\
+}\
+
+PIX_SAD(mmx)
+PIX_SAD(mmx2)
+
+void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx)
+{
+ if (mm_flags & MM_MMX) {
+ c->pix_abs16x16 = pix_abs16x16_mmx;
+ c->pix_abs16x16_x2 = pix_abs16x16_x2_mmx;
+ c->pix_abs16x16_y2 = pix_abs16x16_y2_mmx;
+ c->pix_abs16x16_xy2 = pix_abs16x16_xy2_mmx;
+ c->pix_abs8x8 = pix_abs8x8_mmx;
+ c->pix_abs8x8_x2 = pix_abs8x8_x2_mmx;
+ c->pix_abs8x8_y2 = pix_abs8x8_y2_mmx;
+ c->pix_abs8x8_xy2 = pix_abs8x8_xy2_mmx;
+
+ c->sad[0]= sad16x16_mmx;
+ c->sad[1]= sad8x8_mmx;
+ }
+ if (mm_flags & MM_MMXEXT) {
+ c->pix_abs16x16 = pix_abs16x16_mmx2;
+ c->pix_abs8x8 = pix_abs8x8_mmx2;
+
+ c->sad[0]= sad16x16_mmx2;
+ c->sad[1]= sad8x8_mmx2;
+
+ if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+ c->pix_abs16x16_x2 = pix_abs16x16_x2_mmx2;
+ c->pix_abs16x16_y2 = pix_abs16x16_y2_mmx2;
+ c->pix_abs16x16_xy2 = pix_abs16x16_xy2_mmx2;
+ c->pix_abs8x8_x2 = pix_abs8x8_x2_mmx2;
+ c->pix_abs8x8_y2 = pix_abs8x8_y2_mmx2;
+ c->pix_abs8x8_xy2 = pix_abs8x8_xy2_mmx2;
+ }
+ }
+}
projects / synfig.git / blobdiff